The #19832 OPTEC-4300 to female Optec/DSI 3.5" threaded receiver allows any combination of our DSI 3.5-inch spacers to be easily installed on the camera side of any male OPTEC-4300 adapter.

Specifications

Compatible With

• Optec/DSI 3.5" Threaded Spacers.
• OPTEC-4300 Male Dovetail Adapter

• Inside Diameter: 3.5" DSI Thread
• Outside Diameter: 4.95" (125.7mm)
• Overall Height: 0.75" (19.1mm)
• Clear Aperture: 3.46" (88mm)
• Weight: 8.2 oz (230 g)
• Back-Focus Usage: 0.75" (19.0mm)
• Drawing